AD Amdt-39-10817
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Canada PW530A Series | Airworthiness Directives; Pratt & Whitney Canada PW530A Series Turbofan Engines |
Unsafe Condition
Rubbing of the second stage stator vanes on the compressor rotor due to insufficient clearance, which can lead to inflight engine shutdowns and compressor rotor damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Record engine surge events in aircraft maintenance records. Inspect engine for evidence of stator vane rubbing on compressor rotor before next flight if a surge event occurs. Rework all affected engines to increase clearance between second stage stator vanes and compressor rotor.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight (for inspections following surge events), rework must be completed as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pratt & Whitney Canada PW530A series turbofan engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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